Fixing tool convenient to adjust and used for nut machining

By designing an easily adjustable fixed fixture for nut processing, and utilizing a combination of springs and magnetic block seats to achieve automatic nut clamping, the problems of simultaneous clamping of multiple nuts and model adaptability in existing technologies are solved, thereby improving processing efficiency and stability.

CN223519528UActive Publication Date: 2025-11-07NEDSCHROEF FASTENERS KUNSHAN CO LTD
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Patent Information

Application Number
CN202423051318.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-07
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing processing equipment cannot simultaneously and automatically clamp and fix multiple nuts, and it is difficult to meet the clamping requirements of different types and specifications of nuts, resulting in low clamping and fixing efficiency.

Method used

A fixture comprising a platform, a movable frame, a telescopic rod, and clamping head blocks is designed. The fixture utilizes a combination of springs and magnetic block seats to achieve automatic clamping of nuts. The spacing and position of the clamping head blocks are adjusted by a motor-driven lead screw and a bidirectional thread. Combined with magnetic positioning and precise clamping of the clamping head blocks, multiple nuts are stably fixed.

Benefits of technology

It enables simultaneous automatic clamping of multiple nuts, improving clamping and fixing efficiency and stability, adapting to the processing needs of nuts of different models and specifications, and enhancing the convenience and accuracy of processing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223519528U_ABST
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Abstract

The nut machining fixing tool convenient to adjust comprises a device table, a movable frame, a second telescopic rod and a clamping head block, the two sides of the device table are connected with a lead screw and a guide sliding rod respectively, and a motor is installed at the rear end of the lead screw. Through the arrangement of the second spring and the third spring, the upper end of the nut is clamped and fixed through the two clamping and fixing head blocks under the expansion action of the second spring and the third spring, the nut is fixed in place, and follow-up machining operation of the nut is facilitated; the second spring is used in cooperation with the second guide groove and the second guide block, so that the clamping action of the clamping and fixing head blocks on the nut can be enhanced; and a motor, a bidirectional thread and a lead screw are arranged to be matched with the guiding function that a guiding sliding sleeve slides along a guiding sliding rod, so that the auxiliary moving block can be limited to linearly move along the bidirectional thread, the distance between the two moving frames and the distance between the two clamping head blocks can be adjusted according to the specification of the nut, and the clamping and stabilizing effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nut machining technical field, concretely is nut machining with fixed frock of easy adjustment. BACKGROUND

[0002] The nut is just the nut, and is screwed together with the bolt or the screw rod to be used to the part of fastening effect, all production manufacturing machinery must use the element, the nut is used frequently in the mechanical field, and the nut needs to use the machining device to clamp and fix in the production process.

[0003] The existing machining device clamps and fixes the nut in the process, mostly manual intervention carries out manual clamping and fixing to single nut, cannot carry out synchronous automatic clamping and fixing to multiple nuts, reduces the clamping and fixing efficiency of nut, and the nut model is numerous, cannot satisfy the automatic clamping and fixing demand of different model specifications nuts, and urgently needs to be developed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a nut machining with fixed frock of easy adjustment to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: nut machining with fixed frock of easy adjustment, including device table, moving frame, telescopic rod two and clamping head block, the both sides of device table are connected with lead screw and guide slide respectively, and the rear end of lead screw is installed with motor;

[0006] The outside symmetry of lead screw is connected with two -way screw thread, and the two two -way screw threads are all fitted with moving block, and the upper surface of two moving blocks and guide sleeve is all connected with moving frame, and the top symmetry of two moving frames is set up relative to device table, and the upper surface of two moving frames is all fixed with fixed block at equal interval, the inside of fixed block is connected with telescopic cylinder through spring two, the both sides in fixed block are connected with guide groove two, the both sides of telescopic cylinder are connected with guide block two matched with guide groove two, and guide block two slides along guide groove two and can assist telescopic cylinder stable telescopic action;

[0007] The both sides in fixed block are connected with guide groove two, the both sides of telescopic cylinder are connected with guide block two matched with guide groove two, and guide block two slides along guide groove two and can assist telescopic cylinder stable telescopic action.

[0008] The inside of telescopic cylinder is connected with telescopic rod two through spring three, one end of telescopic rod two extending to the outside of telescopic cylinder is connected with clamping head block, the both sides in telescopic cylinder are connected with guide groove three, and the both sides in telescopic rod two are connected with guide block three matched with guide groove three, and guide block three slides along guide groove three and can assist telescopic rod two stable telescopic action.

[0009] The middle part of the device table top is connected with a groove, a lifting frame is arranged in the groove, equidistant positioning grooves are connected on the top of the lifting frame, and magnetic block seats are connected to the bottom of the positioning grooves.

[0010] Preferably, the magnetic block seats are symmetrically arranged, movable grooves are connected on the two sides of the positioning grooves, guide grooves one are connected to the front and back sides of the movable grooves, and the front and back sides of the telescopic rods one are connected with guide blocks one matched with the guide grooves one.

[0011] The telescopic rods one are connected with springs one in the movable grooves, and one end of the telescopic rods one extends into the positioning grooves and is connected with the magnetic block seats.

[0012] The middle part of the device table is connected with an interactive groove, a transmission rod one is connected in the interactive groove, an outer thread is sleeved on the surface of the transmission rod one, a lifting cylinder is sleeved on the outside of the outer thread, the upper end of the lifting cylinder extends into the groove and is fixedly connected with the bottom of the lifting frame.

[0013] The bottom end surface of the transmission rod one is sleeved with a driven bevel gear, the driven bevel gear is in gear engagement with a driving bevel gear on one side, the driving bevel gear is internally connected with a transmission rod two, and the transmission rod two extends to one side of the device table and is connected with a rotating block.

[0014] The bottoms of the two sides of the lifting cylinder are connected with limit sliding blocks, the two sides of the inside of the interactive groove are connected with limit sliding grooves matched with the limit sliding blocks, and the limit sliding blocks can be limited to move linearly along the outer thread up and down along the limit sliding grooves.

[0015] Compared with the prior art, the device has the advantages that:

[0016] (1) The nut machining fixing tool convenient to adjust is characterized in that the two clamping head blocks clamp and fix the upper end of the nut through the expansion effect of the spring two and the spring three, the clamping effect of the clamping head blocks on the nut is improved through the cooperation of the spring two, the guide groove two and the guide block two, the subsequent nut machining effect is improved, the motor, the bidirectional thread and the lead screw are arranged to cooperate with the guide sliding sleeve to slide along the guide sliding rod, the guide effect can limit the linear movement of the moving block along the bidirectional thread, the distance between the two moving frames and the clamping head blocks can be adjusted according to the specifications of the nut, and the clamping stability is improved.

[0017] (2) The fixed tool for nut machining convenient to adjust, through the setting of the magnetic attraction block seat and the positioning groove, the bottom end of the nut can be preliminarily magnetically positioned, and then the clamping head block is clamped accurately, and then the expansion of the spring one is matched with the guiding block one to slide along the guiding groove one, so that the two magnetic attraction clamping blocks are automatically magnetically clamped according to the screw body specifications, the stability of the vertically placed nut is effectively improved, and the convenience of subsequent machining work is improved.

[0018] (3) The fixed tool for nut machining convenient to adjust, through the setting of the rotating block, the transmission rod two, the driven bevel gear, the driving bevel gear, the transmission rod one and the external thread, the limiting sliding block can slide along the limiting sliding groove, the auxiliary lifting cylinder can move up and down along the external thread in a straight line, the use height of the lifting frame can be adjusted and controlled, and the nut positioned in the positioning groove and the clamping head block can be better accurately adjusted and controlled in the use range. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a top view structure schematic diagram of the utility model;

[0020] Figure 2 It is a top view structure schematic diagram of the utility model Figure 1 It is an enlarged structure schematic diagram of A in the utility model;

[0021] Figure 3 It is a top view structure schematic diagram of the utility model fixed block and clamping head block connection;

[0022] Figure 4 It is a front view structure schematic diagram of the utility model.

[0023] In the drawing: 1, device table; 2, moving frame; 3, two-way thread; 4, lead screw; 5, motor; 6, lifting frame; 7, fixed block; 8, guiding slide rod; 9, spring one; 10, movable groove; 11, guiding block one; 12, magnetic attraction block seat; 13, positioning groove; 14, guiding groove one; 15, telescopic rod one; 16, magnetic attraction clamping block; 17, guiding groove two; 18, guiding block two; 19, spring two; 20, spring three; 21, guiding groove three; 22, guiding block three; 23, telescopic cylinder; 24, telescopic rod two; 25, clamping head block; 26, moving block; 27, recess; 28, limiting sliding groove; 29, limiting sliding block; 30, lifting cylinder; 31, interactive groove; 32, external thread; 33, transmission rod one; 34, driven bevel gear; 35, driving bevel gear; 36, transmission rod two; 37, guiding sleeve; 38, rotating block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides an embodiment: fixed frock for nut processing convenient to adjust, including device table 1, moving frame 2, telescopic rod two 24 and clamping head block 25, the both sides of device table 1 are connected with lead screw 4 and guide slide 8 respectively, the outside symmetry of lead screw 4 is connected with two -way screw thread 3, two two -way screw thread 3 all are equipped with moving block 26, the upper surface of two moving block 26 and guide sleeve 37 that is symmetrically equipped with on guide slide 8 is connected with moving frame 2, two moving frame 2 are symmetrically set relative to the top of device table 1, the upper surface of two moving frame 2 is all fixed with fixed block 7 at equal intervals, the inside of fixed block 7 is connected with telescopic cylinder 23 through spring two 19, the both sides in fixed block 7 are all connected with guide groove two 17, the both sides of telescopic cylinder 23 are all connected with the guide block two 18 that is matched with guide groove two 17, the inside of telescopic cylinder 23 is connected with telescopic rod two 24 through spring three 20, the setting of spring two 19 and spring three 20, utilize its expansibility effect to make two clamping head block 25 clamp solid to the upper end of nut, and it is convenient for subsequent processing operation of nut to be fixed in place;

[0026] The spring two 19 cooperation guide groove two 17 and guide block two 18 use can strengthen the clamping action of clamping head block 25 to nut, improve the effect of subsequent nut processing;

[0027] The end of telescopic rod two 24 extending to the outside of telescopic cylinder 23 is connected with clamping head block 25, the both sides in telescopic cylinder 23 are all connected with guide groove three 21, the both sides in telescopic rod two 24 are all connected with the guide block three 22 that is matched with guide groove three 21.

[0028] The rear end of lead screw 4 is installed with motor 5, then the setting cooperation guide sleeve 37 of motor 5, two -way screw thread 3 and lead screw 4 along the guide effect of guide slide 8 can limit auxiliary moving block 26 straight -line along two -way screw thread 3 moves, can adjust the interval of two moving frame 2 and clamping head block 25 according to the specification of nut, improve the clamping stability effect.

[0029] The middle part in the upper surface of device table 1 is connected with recess 27, recess 27 is equipped with lifting frame 6, the top of lifting frame 6 is connected with positioning groove 13 at equal intervals, the bottom in positioning groove 13 is connected with magnetic attraction block seat 12, the setting of magnetic attraction block seat 12 and positioning groove 13 can carry out pre -magnetic attraction positioning to the bottom end of nut, make subsequent clamping accurate through clamping head block 25 is convenient.

[0030] The magnetic attraction block seat 12 is symmetrically provided with magnetic attraction clamping blocks 16, and the two sides of the positioning groove 13 are connected with movable grooves 10, the movable grooves 10 are connected with telescopic rods 15 through springs 9, one end of the telescopic rods 15 extends into the positioning groove 13 and is connected with the magnetic attraction clamping blocks 16.

[0031] The front and rear sides of the movable groove 10 are connected with guide grooves 14, and the front and rear sides of the telescopic rods 15 are connected with guide blocks 11 matched with the guide grooves 14, so that the two magnetic attraction clamping blocks 16 are automatically magnetically clamped according to the screw body specifications through the expansion of the spring 9 and the guided sliding of the guide blocks 11 along the guide grooves 14, effectively improving the stability of the nut vertical placement and the convenience of subsequent processing work.

[0032] The middle part of the device table 1 is connected with an interactive groove 31, the interactive groove 31 is connected with a transmission rod 33, the bottom surface of the transmission rod 33 is sleeved with a driven bevel gear 34, one side of the driven bevel gear 34 is engaged with a driving bevel gear 35, the inside of the driving bevel gear 35 is connected with a transmission rod 36, the transmission rod 36 extends to one side of the device table 1 and is connected with a rotating block 38, the rotating block 38, the transmission rod 36, the driven bevel gear 34, the driving bevel gear 35, the transmission rod 33 and the external thread 32 are arranged to cooperate with the limiting sliding block 29 to guide sliding along the limiting sliding groove 28, so as to limit the auxiliary lifting cylinder 30 to move linearly along the external thread 32, and the use height of the lifting frame 6 can be adjusted and controlled, and the use range of the nut positioned in the positioning groove 13 and the clamping head block 25 can be better accurately adjusted and controlled.

[0033] The surface of the transmission rod 33 is sleeved with an external thread 32, the external thread 32 is sleeved with a lifting cylinder 30, and the upper end of the lifting cylinder 30 extends into the groove 27 and is fixedly connected with the bottom of the lifting frame 6.

[0034] The bottoms of the two sides of the lifting cylinder 30 are connected with limiting sliding blocks 29, and the two sides of the inside of the interactive groove 31 are connected with limiting sliding grooves 28 matched with the limiting sliding blocks 29.

[0035] The spring two 19 and the spring three 20 are arranged, the expansion of the spring two 19 and the spring three 20 is used to clamp the upper end of the nut by the two clamping head blocks 25, the nut is fixed in place, subsequent machining operation of the nut is facilitated, the spring two 19 is matched with the guide groove two 17 and the guide block two 18, the clamping effect of the clamping head blocks 25 on the nut is improved, and the effect of subsequent machining of the nut is improved, the motor 5, the bidirectional screw thread 3 and the lead screw 4 are arranged, the guide sliding sleeve 37 is matched with the guide sliding of the guide sliding rod 8, the linear movement of the auxiliary moving block 26 along the bidirectional screw thread 3 is limited, the interval between the two moving frames 2 and the clamping head blocks 25 can be adjusted according to the specifications of the nut, the magnetic attraction block seat 12 and the positioning groove 13 are arranged, the bottom end of the nut is preliminarily magnetically attracted and positioned, subsequent clamping and precision of the nut by the clamping head blocks 25 are facilitated, the spring one 9 is expanded, the guide block one 11 is matched with the guide sliding of the guide groove one 14, and the two magnetic attraction clamping blocks 16 are automatically magnetically attracted and clamped according to the specifications of the screw body.

Claims

1. A fixing tool for nut machining, which is easy to adjust, characterized in that, Including device platform (1), moving frame (2), telescopic rod two (24) and clamping head block (25), both sides of device platform (1) are connected with lead screw (4) and guide slide bar (8) respectively, the outside of lead screw (4) is connected with two-way screw thread (3) symmetrically, two two-way screw threads (3) are all fitted with moving block (26), guide sleeve (37) is fitted on guide slide bar (8) symmetrically, the upper surface of two moving block (26) and guide sleeve (37) is connected with moving frame (2), two moving frame (2) are symmetrically arranged relative to the top of device platform (1), the upper surface of two moving frame (2) is fixed with fixed block (7) at equal intervals, the inside of fixed block (7) is connected with telescopic cylinder (23) through spring two (19), both sides in the inside of fixed block (7) are connected with guide slot two (17), both sides of telescopic cylinder (23) are connected with guide block two (18) matched with guide slot two (17), the inside of telescopic cylinder (23) is connected with telescopic rod two (24) through spring three (20), the end of telescopic rod two (24) extending to the outside of telescopic cylinder (23) is connected with clamping head block (25), both sides in the inside of telescopic cylinder (23) are connected with guide slot three (21), both sides in the inside of telescopic rod two (24) are connected with guide block three (22) matched with guide slot three (21).

2. The fixed tool for nut machining according to claim 1, wherein: The rear end of lead screw (4) is provided with motor (5).

3. The fixed tooling for nut machining according to claim 1, wherein: The middle part of the upper surface of device platform (1) is connected with recess (27) inside, the recess (27) is provided with lifting frame (6) inside, the top of lifting frame (6) is connected with positioning groove (13) at equal intervals inside, the bottom of positioning groove (13) is connected with magnetic attraction block seat (12) inside.

4. The fixed tool for nut machining according to claim 3, characterized in that: The inside of magnetic attraction block seat (12) is symmetrically provided with magnetic attraction clamping block (16), both sides of positioning groove (13) are connected with movable slot (10), telescopic rod one (15) is connected with movable slot (10) through spring one (9), one end of telescopic rod one (15) extends into positioning groove (13) and is connected with magnetic attraction clamping block (16).

5. The fixed tool for nut machining according to claim 4, characterized in that: Both sides of movable slot (10) are connected with guide slot one (14), both sides of telescopic rod one (15) are connected with guide block one (11) matched with guide slot one (14).

6. The fixed tooling for nut machining according to claim 1, wherein: The middle part of device platform (1) is connected with interactive groove (31) inside, the inside of interactive groove (31) is connected with transmission rod one (33), the bottom end surface of transmission rod one (33) is fitted with driven bevel gear (34), one side of driven bevel gear (34) is engaged with driving bevel gear (35), the inside of driving bevel gear (35) is connected with transmission rod two (36), transmission rod two (36) extends to the outside of one side of device platform (1) and is connected with rotary block (38).

7. The fixed tool for nut machining according to claim 6, wherein: The surface of the transmission rod one (33) is sleeved with external thread (32), the external thread (32) is externally sleeved with lifting cylinder (30), the upper end of the lifting cylinder (30) extends into the recess (27) and is fixedly connected with the bottom of the lifting frame (6).

8. The fixed tool for nut machining according to claim 7, characterized in that: The bottom of the lifting cylinder (30) on both sides is connected with limiting sliding block (29), and the both sides in the interior of the interactive groove (31) are connected with limiting sliding groove (28) matched with the limiting sliding block (29).